Assignment: Discuss Name Symmetrical Curve Assignment: Discuss Name Symmetr
Assignment: Discuss Name Symmetrical Curve
Assignment: Discuss Name Symmetrical Curve
NOW FOR AN ORIGINAL PAPER ASSIGNMENT:Assignment: Discuss Name Symmetrical Curve
Question 6
3.25 / 3.25 pts
Leo climbed six trees throughout each forest in his county. Each forest is the same size. Is this sample of the trees in the county likely to be representative?
yes
no
Question 7
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Todd polled 12 passengers in the first-class section of the plane. Is this sample of the passengers on the plane likely to be representative?
yes
no
Question 8
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The degree to which results of a study can be extended to other settings or conditions describes:
population generalizability
conclusions researchers make about a random sample
conclusions researchers make about information uncovered in research study
generalizability
Question 9
3.25 / 3.25 pts
An accessible population is one that:
every member of the population does not have an equal chance of being selected for the sample group.
the researcher can realistically select subjects for a sample, and to which the researcher is entitled to generalize findings.
is derived from a nonrandom sample selected because prior knowledge suggests it is representative, or because those selected have the needed information.
None of the above.
Question 10
3.25 / 3.25 pts
Purposive sampling is:
The process of selecting a number of individuals (a sample) from a population, preferably in such a way that the individuals are representative of the larger group from which they were selected.
Methods designed to select a representative sample by using chance selection so that biases will not systematically alter the sample.
A nonrandom sample selected because prior knowledge suggests it is representative, or because those selected have the needed information.
Refers to conducting a study again; the second study may be a repetition of the original study, using different subjects, or may change specified aspects of the study.
NR714 Week 7 Module 7 Quiz Latest 2017 November (all correct answers)
Question 1
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What is the name of a curve that is symmetrical?
Normal
Negative skew
Positive skew
Frequency polygon
Question 2
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The median is the:
Average
The Middle score
The range of highest and lowest scores
The most frequent score
Question 3
3.25 / 3.25 pts
Does the 68% rule apply if the distribution is not normal?
Yes
No
Question 4
3.25 / 3.25 pts
A deck of card has 3 black and 7 red cards. What is the probability of drawing a black card?
.01
.30
.7
1.0
Question 5
3.25 / 3.25 pts
p=.05 means the following
90% confident of an occurrence not due to chance
5% confident of an occurrence not due to chance
95% confident of an occurrence not due to chance
100% confident of an occurrence not due to chance
Question 6
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Probability (p) value is also know as:
Frequency
Alpha
Power
Range
Question 7
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The 68/95/99.7 Rule tells us that:
95% of scores fall within 1 SD of the mean.
95% of all scores fall within 2 SD of the mean.
68% of all scores fall within 3 SD of the mean.
100% of scores fall within 1 SD of the mean
Question 8
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In an asymetrical distribution, when the tail points to the left the skew is:
Negative
Positive
Neutral
Normal
Question 9
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In a normal distribution __________% of values lie within +/- 2 SD from the mean
95
99
100
90
Question 10
3.25 / 3.25 pts
Given results of a sample of BSN nursing students. Consider the following M=30 years old, SD=12.5. Assuming a normal distribution, what is the age range of 68% of the students:
18 to 30 years of age
17.5 to 42.5 years of age
12.5 to 30 years of age
18 to 59 years of age
NR714 Week 7 Module 8 Quiz Latest 2017 November (all correct answers)
Question 1
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A nurse researcher wants to number her demographic data, such as number of visits to the hospital in the last year. These data are known as what type of variable.
Ratio
Interval
Nominal
Ordinal
Question 2
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You are on the hospital Institutional Review Board (IRB). You are reviewing a study that collected demographic data, such as age, gender, religious preference and ethnicity. Immediately, you recognize these as nominal variables. As a researcher, you know that a nominal level of measurement has the following properties.
They can be placed in a meaningful order, but there is no information about the size of the interval between each value.
They can be placed in meaningful order, have meaningful intervals and have a true zero.
They can be placed in meaningful order and have meaningful intervals between the times, but there is no true zero.
They simply represent categories.
Question 3
3.25 / 3.25 pts
You have been asked to teach an inservice at a research conference in Tacoma, Washington. The beginning of your agenda includes the definition of descriptive statistics. You share with the class participants that descriptive statistics have which of the following properties?
They are numerical and graphical summaries of data.
They are used to examine relationships between variables in a dataset.
They are used to see how well sample data can be generalized to the population.
They are used to demonstrate bias in reliability and validity.
Question 4
3.25 / 3.25 pts
If a research study reveals that an education program aimed at teaching nurse administrators how an intervention is being tested to reduce medication errors. The intervention in a study is also known as the
dependent variable.
independent variable.
demographic variable.
intervening variable.
Question 5
3.25 / 3.25 pts
Identify the dependent variable in an IRB-approved research study where the hypothesis is, There is a statistically significant difference in coping strategies among persons with AIDS in a higher socioeconomic level as compared to a lower socioeconomic level.
Persons with AIDS
Socioeconomic level
Coping strategies
The hypothesis
Question 6
3.25 / 3.25 pts
In a study, where the hypothesis is, there is a statistically significant higher increase in patient satisfaction in patients who participate in teach-back methodology incorporated into their discharge instructions. Which is the independent variable?
Teach-back methodology
Discharge instructions
Patient satisfaction
Patient education
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